EVERYTHING ABOUT KNIGHTS ARMAMENT RAIL

What sets the M4 RAS aside from other two-piece quad rails on the market is the fact it securely locks into the rifle’s barrel nut through a clamp and screw arrangement, rendering it a really reliable foundation upon which to mount tactical components. Includes 3 KAC 11 Rib Rail Panels. For other rib panel lengths and colors, Simply click hereKni